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| Patents for Lewis Sperry | |||||
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| Number | Date | Patentee | Title | Type | |
| 228,437 | Jun. 08, 1880 | S.H. Bellows | Monkey Wrench | screw adjust wrenches | |
| D15,422 | Sep. 23, 1884 | N.B. Allyn | Design for a Claw-Hammer or Hatchet | axes | |